Less inequivalence on Hello World!

pkg/compiler/lib/src/elements/resolution_types.dart

Index: pkg/compiler/lib/src/elements/resolution_types.dart
diff --git a/pkg/compiler/lib/src/elements/resolution_types.dart b/pkg/compiler/lib/src/elements/resolution_types.dart
index 050914f213915ed16236e086bd094dccd0f12310..345c6f377fbcb01a688ec085d3ff17e9b69a6ec0 100644
--- a/pkg/compiler/lib/src/elements/resolution_types.dart
+++ b/pkg/compiler/lib/src/elements/resolution_types.dart
@@ -1138,6 +1138,11 @@ class Types extends DartTypes {
   }
 
   @override
+  Iterable<InterfaceType> getInterfaces(covariant ClassElement cls) {
+    return new List<InterfaceType>.from(cls.interfaces.toList());
+  }
+
+  @override
   FunctionType getCallType(covariant ResolutionInterfaceType type) =>
       type.callType;